1.
There is only one layer of parietal cells at the stage of sporogenous cell, megaspore mother cell and tetrad.
造孢细胞,大孢子母细胞和四分体时期,周缘细胞仅1层。
2.
The gametophyte is derived from the product of a reduction division in the megaspore mother cell.
该配子体是由大孢子母细胞进行减数分裂而来。
3.
When the flower buds separated and corolla facrogenous, flowers appeared and the megasporocyte formed.
当顶花花冠露出与花萼等长时,大孢子母细胞经减数分裂形成四个直线排列的大孢子。
4.
In dandelion (Taraxacum), for example, the chromosomes of the megaspore mother cell remain in one cell after the first meiotic division, forming a restitution nucleus.
例如在蒲公英中，在第一次减数分裂后，大孢子母细胞的染色体仍在一个细胞中，形成一个再组核。
5.
Meiosis of microspore mother cells is synchronous or unsynchronous.
小孢子母细胞减数分裂同步或不同步。
6.
Microsporogenesis and Meiotic Behavior of Pinus yunnanensis Franch;
云南松小孢子母细胞减数分裂的研究
7.
Microsporogenesis and Meiotic Behavior in Three Species of the Genus Picea(Pinaceae);
3种云杉小孢子母细胞减数分裂研究
8.
The nucleus in shrinking cytoplasm of microspore mother cell enters into diakinesis stage.16.
收缩的小孢子母细胞中核进入减数分裂终变期。
9.
The nucleus in shrinking cytoplasm of microspore mother cell enters into telophase.17.
收缩的小孢子母细胞质中核进入减数分裂末期。
10.
Studied on Meiosis Process of Pollen Mother Cells(PMC) of Natural Triploid Loquat;
天然三倍体枇杷小孢子母细胞减数分裂研究
11.
Studies on Cytoplasmic Structure Remolding of Developing Microspore Mother Cells in Althaea Rosea;
蜀葵小孢子母细胞发育过程中细胞质结构重塑的研究
12.
Ubisch bodies and lipid bodies are found in the glandular tapetums. In meiosis of microsporocyte, cytokinesisis is a simultaneous type, which produces an isobilateral tetrad.
小孢子母细胞减数分裂胞质分裂为同时型,产生正四面体型四分体。
13.
(botany) of or relating to the cells in a sporangium that give rise to spores.
（植物学）属于孢子细胞，或与在孢子囊里提供孢子生长的细胞有关。
14.
Research on the Effect of Ganoderma Spores on Mast Cell in Asthmatic Guinen Pigs;
灵芝孢子对哮喘豚鼠肥大细胞作用机制的研究
15.
These abnormal mitochondria and vacuoles may be associated with the death of microspore mother cell which leads to the male sterility in cotton.
线粒体和液泡结构异常可能是小孢子母细胞死亡造成雄性不育的细胞形态学特征。
16.
Cytological Observation on Megasporogenesis and Female Gametophyte Development of Lilium dauricum Ker-Gawler
毛百合大孢子发生与雌配子体发育的细胞学观察
17.
A gametocyte that gives rise to microgametes.
小配子母细胞产生小配子的配子细胞
18.
Calcium precipitates decreased sharply and might dissolve in the large vacuole.
当小孢子形成大液泡时，其细胞质中的钙颗粒明显减少。